gdb/build-with-cxx.m4

   1 dnl Copyright (C) 2014-2015 Free Software Foundation, Inc.
   2 dnl
   3 dnl This file is part of GDB.
   4 dnl
   5 dnl This program is free software; you can redistribute it and/or modify
   6 dnl it under the terms of the GNU General Public License as published by
   7 dnl the Free Software Foundation; either version 3 of the License, or
   8 dnl (at your option) any later version.
   9 dnl
  10 dnl This program is distributed in the hope that it will be useful,
  11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 dnl GNU General Public License for more details.
  14 dnl
  15 dnl You should have received a copy of the GNU General Public License
  16 dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 dnl GDB_AC_BUILD_WITH_CXX()
  19 dnl Provide an --enable-build-with-cxx/--disable-build-with-cxx set of options
  20 dnl allowing a user to build with a C++ compiler.
  21
  22 AC_DEFUN([GDB_AC_BUILD_WITH_CXX],
  23 [
  24   AC_ARG_ENABLE(build-with-cxx,
  25   AS_HELP_STRING([--enable-build-with-cxx], [build with C++ compiler instead of C compiler]),
  26     [case $enableval in
  27       yes | no)
  28           ;;
  29       *)
  30           AC_MSG_ERROR([bad value $enableval for --enable-build-with-cxx]) ;;
  31     esac],
  32     [enable_build_with_cxx=no])
  33
  34   if test "$enable_build_with_cxx" = "yes"; then
  35     # We're using -fpermissive as shortcut for now.
  36     COMPILER='$(CXX) -fpermissive'
  37    else
  38     COMPILER='$(CC)'
  39   fi
  40   AC_SUBST(COMPILER)
  41 ])